<template>
  <div :class="{fullscreen:fullscreen}" class="tinymce-container" :style="{width:containerWidth}">
    <textarea :id="tinymceId" class="tinymce-textarea" />
  </div>
</template>

<script>
/**
 * docs:
 * https://panjiachen.github.io/vue-element-admin-site/feature/component/rich-editor.html#tinymce
 */
// import editorImage from './components/EditorImage'
import plugins from './plugins'
import toolbar from './toolbar'
import load from './dynamicLoadScript'

import {uploadNoticeFilesApi} from "@/api/notice"

// why use this cdn, detail see https://github.com/PanJiaChen/tinymce-all-in-one
// const tinymceCDN = 'https://cdn.jsdelivr.net/npm/tinymce-all-in-one@4.9.3/tinymce.min.js'
//这里不使用国外的，使用国内镜像https://cdn.baomitu.com/tinymce
const tinymceCDN = 'https://lib.baomitu.com/tinymce/4.9.11/tinymce.min.js'
// const tinymceCDN = 'https://lib.baomitu.com/tinymce/4.9.3/tinymce.min.js'

export default {
  name: 'Tinymce',
  props: {
    bid:{
      type: String,
      required:true,
    },
    id: {
      type: String,
      default: function() {
        return 'vue-tinymce-' + +new Date() + ((Math.random() * 1000).toFixed(0) + '')
      }
    },
    value: {
      type: String,
      default: ''
    },
    toolbar: {
      type: Array,
      required: false,
      default() {
        return []
      }
    },
    menubar: {
      type: String,
      default: 'file edit insert view format table'
    },
    height: {
      type: [Number, String],
      required: false,
      default: 360
    },
    width: {
      type: [Number, String],
      required: false,
      default: 'auto'
    }
  },
  data() {
    return {
      hasChange: false,
      hasInit: false,
      tinymceId: this.id,
      fullscreen: false,
      languageTypeList: {
        'en': 'en',
        'zh': 'zh_CN',
        'es': 'es_MX',
        'ja': 'ja'
      }
    }
  },
  computed: {
    containerWidth() {
      const width = this.width
      if (/^[\d]+(\.[\d]+)?$/.test(width)) { // matches `100`, `'100'`
        return `${width}px`
      }
      return width
    }
  },
  watch: {
    value(val) {
      if (!this.hasChange && this.hasInit) {
        this.$nextTick(() =>
          window.tinymce.get(this.tinymceId).setContent(val || ''))
      }
    }
  },
  mounted() {
    this.init()
  },
  activated() {
    if (window.tinymce) {
      this.initTinymce()
    }
  },
  deactivated() {
    this.destroyTinymce()
  },
  destroyed() {
    this.destroyTinymce()
  },
  methods: {
    init() {
      // dynamic load tinymce from cdn
      load(tinymceCDN, (err) => {
        if (err) {
          this.$message.error(err.message)
          return
        }
        this.initTinymce()
      })
    },
    initTinymce() {
      const _this = this
      let no = this.bid;
      window.tinymce.init({
        selector: `#${this.tinymceId}`,
        //改成中文 下载地址https://www.tiny.cloud/get-tiny/language-packages/
        // language: this.languageTypeList['zh'],
        language:'zh-Hans',
        language_url:require('@/assets/langs/zh-Hans.js'),
        //隐藏技术支持
        branding:false,
        //图片下方标题
        image_caption: true,
        //开启上传本地图片
        image_uploadtab: true,
        //禁止粘贴图片
        paste_data_images: false,
        //上传图片
        images_upload_handler: async function (blobInfo, succFun, failFun) {
          let file = blobInfo.blob();
          let formData = new FormData();
          formData.append('file', file, file.name );
          formData.append('bid', no);
          if (file.type.indexOf("image/") === -1) {
            failFun("文件格式错误，请上传类型如：JPG、PNG后缀的图片！");
          }
          if(file.size>3145728){
            failFun("请插入小于3MB的图片！");
          }
          let res = await uploadNoticeFilesApi(formData);
          if(res.code==200){
            succFun(res.location)
          }else{
            failFun("请重试！")
          }
        },
        //上传文件
        file_picker_callback: function(callback, value, meta) {
                  var input = document.createElement('input');
            input.setAttribute('type', 'file');
            input.setAttribute('accept', filetype);
            input.click();
        },

        //图片自由缩放
        object_resizing: true,

        height: this.height,
        body_class: 'panel-body ',

        toolbar: this.toolbar.length > 0 ? this.toolbar : toolbar,
        menubar: this.menubar,
        plugins: plugins,
        end_container_on_empty_block: true,
        powerpaste_word_import: 'clean',
        code_dialog_height: 450,
        code_dialog_width: 1000,
        advlist_bullet_styles: 'square',
        advlist_number_styles: 'default',
        imagetools_cors_hosts: ['www.tinymce.com', 'codepen.io'],
        default_link_target: '_blank',
        link_title: false,
        nonbreaking_force_tab: true,


        init_instance_callback: editor => {
          if (_this.value) {
            editor.setContent(_this.value)
          }
          _this.hasInit = true
          editor.on('NodeChange Change KeyUp SetContent', () => {
            this.hasChange = true
            this.$emit('input', editor.getContent())
          })
        },
        setup(editor) {
          editor.on('FullscreenStateChanged', (e) => {
            _this.fullscreen = e.state
          })
        },
        convert_urls: false
      })
    },
    destroyTinymce() {
      const tinymce = window.tinymce.get(this.tinymceId)
      if (this.fullscreen) {
        tinymce.execCommand('mceFullScreen')
      }

      if (tinymce) {
        tinymce.destroy()
      }
    },
    setContent(value) {
      window.tinymce.get(this.tinymceId).setContent(value)
    },
    getContent() {
      window.tinymce.get(this.tinymceId).getContent()
    }
  }
}
</script>

<style lang="scss" scoped>
.tinymce-container {
  position: relative;
  line-height: normal;
}

.tinymce-container {
  ::v-deep {
    .mce-fullscreen {
      z-index: 10000;
    }
  }
}

.tinymce-textarea {
  visibility: hidden;
  z-index: -1;
}
</style>
